Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Partridge, Jones & John Paton Ltd., colliery plan
Plan of workings in Black Vein Collieries : Blaenserchan, Gwenallt, Llanerch, Llanhilleth, Marine, Navigation, Tirpentwys Drg.No. R 27/5 Scale : 6" to 1 mile
Pwnc
Diwydiant
Rhif yr Eitem
87.175I/5
Mesuriadau
Meithder
(mm): 1040
Lled
(mm): 981
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.